Home / 10,336.30-15,511.05-3,761.90

Finding the Fourth Proportional to 10,336.30, 15,511.05 and 3,761.90

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Solution

The fourth proportional to 10,336.30, 15,511.05 and 3,761.90 is: 5,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,336.30 : 15,511.05 = 3,761.90 : x
  2. Step 2: Convert to fraction form
    10,336.30/15,511.05 = 3,761.90/x
  3. Step 3: Cross multiply
    10,336.30x = 15,511.05 × 3,761.90
  4. Step 4: Simplify right side
    10,336.30x = 58,351,019.00
  5. Step 5: Solve for x
    x = 58,351,019.00/10,336.30
  6. Step 6: Final answer
    x = 5,645.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.